Features of Educational Electronic Grade Development by Engineering Disciplines Olga I. Vaganova, Zhanna V. Smirnova, Maria V. Mukhina, Olga V. Golubeva and Zhanna V. Chaykina SHS Web Conf., 50 (2018) 01213 Published online: 12 October 2018 DOI: 10.1051/shsconf/20185001213